Siemens
Siemens 3RT1966-4G Box Terminal for 3RT1 and 3RB2
Siemens 3RT1966-4G Box Terminal Block for 3RT1/3RB2
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
Box terminal block
For high-current connections
Accommodates up to 240 sq-mm conductors
Compatible with 3RT1 and 3RB2
Robust construction
Product description
The Siemens 3RT1966-4G is a box terminal block specifically designed for use with SIRIUS 3RT1 contactors and 3RB2 overload relays. It supports large conductor sizes up to 240 sq-mm.
This terminal block is compatible with 3RT1 contactors of sizes S10 and S12, as well as the 3RW507 soft starter and 3RB106 overload relay. It facilitates robust and secure connections for high-current applications.
Stanlo Automation, a veteran-owned business, offers this essential component to ensure reliable and safe connections in your industrial automation systems. Trust us for your surplus automation parts needs.
Technical specifications
| Type | Box Terminal Block |
| Max Conductor Size | 240 sq-mm |
| Compatible With | 3RT1 (S10, S12), 3RB2, 3RW507 |
| Poles | 2 Pole |
| NEMA Rating | NEMA 4, 5, 6 |
Common applications
High-Current Motor Control
Industrial Power Distribution
Control Panels
Heavy Machinery
Automation Systems
Compatible systems
Siemens 3RT1 (S10, S12), 3RB2, 3RW507
Also known as
Siemens 3RT1966-4G Terminal
3RT1 Box Terminal
SIRIUS Terminal Block
Replaces / compatible with
This box terminal is designed to provide robust connections for Siemens 3RT1 (S10, S12) contactors and 3RB2 overload relays, accommodating large conductor sizes.
Technical note
Expert tip
This box terminal is rated for NEMA 4, 5, and 6, making it suitable for demanding environmental conditions in industrial settings.What happens next?
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Frequently asked questions
What is the maximum conductor size supported by the Siemens 3RT1966-4G box terminal?
The Siemens 3RT1966-4G box terminal is designed to accommodate large conductors, with a maximum cross-section of 240 square millimeters. It also supports a conductor size range from 2/0 AWG to 600 kcmil.